Envelop.



No. 643,333. Patented Feb. I3, |900.

El E. MYERS.

ENVELOP.

(Application led Oct. 10, 1899.)

(No Mo'del.)

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EMMA E. lvlYERS, OF PITTSBURG, PENNSYLVANIA.

ENVELOP.

SPECIFICATION forming part of Letters Patent No. 643,333, dated February 13, 1900. Application filed October l0, 1899. Serial No. 733,190. (No model.)

,To MH Hf/1.0711. it 'nw/y concern:

Be it known that I, EMMA E. MYERS, a citizen of the United States of America, residing at Pittsburg, in the county of Allegheny and State of Pennsylvania, haveinvented certain new and useful Improvements in Envelops, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to certain new and useful improvements in envelope, and more particularly to that class known as safetyenvelops.

The invention has for one object the provision of novel means whereby the envelop may be conveniently sealed and opened.

Another object of the invention is to construct an envelop in such a manner that the same cannot be opened without detection and to provide novel means that will prevent the steaming of the envelop.

The invention further aims to construct an envelop of the above-described character that will be extremely simple in its construction, strong, durable, and comparatively inexpensive to manufacture.

With the above and other objects in View the invention finally consists in the novel construction, combination, and arrangement of parts to be hereinafter more fully described, and specifically pointed out in the claims.

In describing the invention in detail reference is had to the accompanying drawings, forming a part of this specification, wherein like numerals of reference indicate corresponding parts throughout the several views, in whichm Figure l is a plan view of the envelop, showing in dotted lines the manner of folding the different parte and sealing the same together. Fig. 2 is a plan view showing the envelop sealed with the exception of the securing-flap, representing the envelop before the letter is inserted. Fig. 3 is a vertical sectional view taken on the line 3 3 of Fig. 2. Fig. l is a longitudinal sectional view taken on the line -l 1l of Fig. 2.

In the drawings the reference-numeral l indicates the body portion of the envelop. 2 and 3 indicate the side wings of the same, said wings extending at an angle, as shown at 4, to the body portion of the envelop, their lower edge 5 extending horizontally with the envelop. The wing 2 is provided with a gummed edge G, arranged on the upper face thereof, and a similar gummed edge 7 is provided on the win g 3, on the under face thereof.

The lower iiap 8, provided with a gummed edge 9 on its upper face, is formed integral with and extending below the body portion l of the envelop. This flap is further provided with a lower gummed edge 12, arranged on the under face of the flap, and is adapted to engage the portion marked 13 upon the face of the securing-flap. The upper securingflap has a gummed edge 10 and forms the upper portion of the envelop, said securingflap .being further formed at its upper extremity at an acute angle, as shown at 11.

The manner of folding my improved envelop is as follows: The wing 3 is iirst folded to the center of the body portion of the envelop, and the wing 2 is then likewise folded in a similar manner, being designed to overlap in the center of the envelop. The gummed edge 7 will secure the wing 3 to the wing 2, and the gummed edge 6 will secure the wing 2 to the wing 3. The lower iiap S is then folded upwardly, the gummed sides 9 engaging the upper face of the folded Wings and forming a pocket for the insertion of the letter. The securing-flap is next folded, and the gummed edges thereof extend over and are secured to the body portion of the envelop, allowing the securing-flap to assume the position as shown in Fig. 2 of the drawings. It will be observed that as the securing-nap extends over the body portion of the envelop the same will be engaged by the gummed portion l2 of the flap 8 at the point indicated by the reference-numeral 13 upon the securing-Hap and that the latter is then turned over and sealed and the stamp placed in the upper right-hand corner, thereby forming an additional seal to the envelop.

It will be noted that by the peculiar connumber of advantages are obtained. For exwill be a great protection when transmitting struction of the herein-described envelop a IOO valuable papers through the mails and that various changes in the details of construction may be made Without departing from the general spirit of my invention.

Having thus fully described my. invention, what I claim as new, and desire to secure by Letters Patent, is-

1. A safety-envelop as described, comprising in its construction the body portion having side wings 2, 3, formed integral with its ends and adapted to overlap when folded with each wing provided with a gummed edge for adhesion with the opposite wing, a lower flap S formed integral with one edge of the body portion 1 and provided with guinmed edges for adhesion with the side Wings, and a securing-Hap formed integral with the opposite edge of the body portion with its free edge at an angle to the edges of the completed envelop, said securing-flap being provided with gumrned edges and a gummed portion 13 for adhesion respectively with the body portion and the lower flap 8, as and for the purpose set forth.

2. The herein-described envelop having a blank comprising a body portion 1, integral side wings 2, 3, of equal length and adapted to overlap when folded upon the body portion l, said side Wings 2, 3, being gummed respectively upon opposite edges as at 6, 7, whereby when overlapped they may be secured to each other by means of the said gummed edges, a

lower flap 8 adapted to fold upon said sidev flaps after the latter are folded, said lower flap 8 being gummed on opposite edges as at 9, 12, and an integral securing-flap adapted to fold upon the lower flap 8 and the side wings 2, 3 with an overlapping portion adapted to engage the opposite side of the body portion 1, the said securing-ap having the gummed edges 10 for engagement with the side wings 2, 3, the angularly-extending gummed edge l1 for engagement with the face of the body portion 1, and the gummed surface 13 for engagement with the gummed edge 12 of the lower flap, substantially as specified.

In testimony whereof I aflix my signature in the presence of two witnesses.

EMMA E. MYERS. XVitnesses:

JOHN NOLAND, E. W. ARTHUR. 

